Modified 5-aminolevulinic acid photodynamic therapy to reduce pain in the treatment of moderate to severe acne vulgaris: A prospective, randomized, split-face study - 05/12/20

Yunfeng Zhang, MD ^a, Haiyan Zhang, MD ^a, Linglin Zhang, MD ^a, Peiru Wang, PhD ^a, Lei Shi, PhD ^a, Guolong Zhang, MD ^a, Zhongxia Zhou, BS ^a, Stuart Marcus, PhD ^b, Xiuli Wang, PhD ^{a, ⁎}

^a Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, China 

^b SonalaSense, Inc, Berkeley, California 

^∗Correspondence to: Xiuli Wang, PhD, Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, 200443, ChinaInstitute of PhotomedicineShanghai Skin Disease HospitalTongji University School of MedicineShanghai200443China